### What changes were proposed in this pull request? ### Why are the changes needed? [SPARK-48496](https://issues.apache.org/jira/browse/SPARK-48496)[CORE] Use static regex Pattern instances in JavaUtils.timeStringAs and JavaUtils.byteStringAs ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? GA Closes #2541 from cxzl25/CELEBORN-1448. Authored-by: sychen <sychen@ctrip.com> Signed-off-by: Fu Chen <cfmcgrady@gmail.com> |
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